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Rubyでインスタンス変数を出力したい時

Ruby
Rails

Last updated at 2022-10-12Posted at 2018-07-31

instance_variablesメソッド

class Engineer
  def initialize(name, age)
    @name = name;
    @age = age
  end
end

engineer = Engineer.new("Aoki", 35)

engineer.instance_variables
=> [:@name, :@age]

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